Field dependence in essential hypertension and peptic ulcer.
D000328:Adult; D005556:Form Perception; D006801:Humans; D006973:Hypertension / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000209:etiology*; D010551:Personality; D011581:Psychological Tests; D011602:Psychophysiologic Disorders / Q000209:etiology*